4. TroubleshootingAuto Tone Adjustment• Diagnostics > Image Management > Auto Tone Adjustment > NormalPurpose To correct image quality when density of the image is poor. Normal TRC Control is recommended tobe performed after changing a unit, such as toner cartridge, imaging unit, and ITB, and reboot.Low Im a ge De ns ity Gra da tion Re production Fa ilureOperation Procedure Select “Execute” button.Verification Print out a test job and make sure the image quality has recovered.Reference Refer to 4.6.6 Light Image• Diagnostics > Image Management > Auto Tone Adjustment > FullPurpose To correct image quality when any OPC drum is replaced or the life of the OPC drum is changed.replacing any OPC drum or density of the image is poor. And this function will be performed whentemperature and/or humidity in the room changes suddenly.Operation Procedure Select “Execute” button.Verification Print out a test job and make sure the image quality has recovered.Reference Refer to 4.6.6 Light Image• Diagnostics > Image Management > Auto Tone Adjustment > CTD Sensor CleaningPurpose To solve the “CTD Sensor Failure” error.NOTERefer to the troubleshooting for error “A3–2113”Operation Procedure 1) Clean the ACR/CTD sensor.2) Enter the SVC mode. Execute the CTD Sensor cleaning.4-43 Copyright© 1995-2013 SAMSUNG. All rights reserved.
